Further Upgrades will be...
Carbonfiber Hoods
and Fenders (now made of Glasfiber)
perhaps carbonfiber doors
Spoilers, Dashboard, Sideboards are allreday Carbonfiber
Bigger carebutors or fuel injektion, bigger valves to go beyond 200HP
The aim is to have a car competable with a ยด74 Porsche 911 RS
last but not least, retrofit the chrome aplications
like one this one